:root{color-scheme:light dark;--space: 16px;--radius: 16px;--header-h: 56px;--max-w: 600px;--elev-1: 0 2px 10px rgba(0,0,0,.08);--elev-2: 0 8px 32px rgba(0,0,0,.12);--primary: #2563eb;--primary-pressed: #1d4ed8;--text: #111;--text-muted: #555;--bg: #ffffff;--bg-elev: rgba(255,255,255,.95);--banner: #e7f3ff;--success: #16a34a}*{box-sizing:border-box}[hidden]{display:none!important}html,body,#app{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.header-bar{position:sticky;top:0;height:var(--header-h);background:var(--bg-elev);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--elev-1);z-index:10}.header-content{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 var(--space);max-width:var(--max-w);margin:0 auto}.header-title{margin:0;text-align:center;font-size:18px;font-weight:600}.help-icon-btn{justify-self:end;width:36px;height:36px;border-radius:999px;border:none;background:transparent;color:var(--text)}.compatibility-banner{background:var(--banner)}.banner-content{max-width:var(--max-w);margin:0 auto;padding:10px var(--space);display:flex;gap:12px;align-items:center;justify-content:space-between;font-size:14px}.banner-link{background:transparent;color:var(--primary);border:none;padding:6px 8px;font-weight:600}.main-content{padding:24px var(--space);display:grid;gap:20px;max-width:var(--max-w);margin:0 auto}.hero-steps{display:grid;grid-template-columns:1fr;gap:16px}.step-item{text-align:left;display:grid;grid-template-columns:40px 1fr;align-items:center;gap:12px}.step-icon{color:var(--text);opacity:.9;margin:0;justify-self:center}.step-label{font-size:15px;color:var(--text);font-weight:500}.cta-container{display:grid;gap:8px}.primary-cta{font-size:16px;font-weight:700;padding:16px 24px;border-radius:999px;border:none;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;background:var(--primary);color:#fff;box-shadow:0 6px 16px #2563eb59}.primary-cta:hover:not(:disabled){transform:scale(1.03)}.primary-cta:active:not(:disabled){background:var(--primary-pressed);transform:scale(1)}.primary-cta:disabled{opacity:.6;cursor:not-allowed}.secondary-link{background:transparent;color:var(--primary);border:none;font-weight:600}.ios-notice{background:var(--bg-elev);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:20px;border-radius:var(--radius);text-align:center;box-shadow:var(--elev-2);max-width:var(--max-w);margin:var(--space) auto}.ar-container{min-height:60vh;position:relative;background:transparent;border-radius:var(--radius);overflow:hidden;box-shadow:var(--elev-2)}.ar-container.fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;min-height:100vh;border-radius:0;box-shadow:none;z-index:8}.ar-container canvas{width:100%!important;height:100%!important;display:block}.mindar-active{background:transparent!important}.ar-loading{padding:20px;text-align:center}.ar-chrome{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}.close-btn,.help-ar-btn{pointer-events:auto;width:40px;height:40px;border-radius:999px;border:none;background:#00000080;color:#fff}.ar-container.fullscreen.portrait .close-btn{position:absolute;top:max(var(--space),env(safe-area-inset-top));right:max(var(--space),env(safe-area-inset-right))}.ar-container.fullscreen.landscape .close-btn{position:absolute;top:max(var(--space),env(safe-area-inset-top));left:max(var(--space),env(safe-area-inset-left))}.ar-finder-host{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:40}.ar-finder{position:fixed;left:0;top:0;width:0;height:0;pointer-events:none}.ar-finder-arrow{position:absolute;left:0;top:0;width:0;height:0;border-style:solid;border-width:11px 0 11px 22px;border-color:transparent transparent transparent #e11;filter:drop-shadow(0 1px 2px rgba(0,0,0,.55))}.ar-hint{position:absolute;left:50%;transform:translate(-50%);top:max(var(--space),env(safe-area-inset-top));background:#000000b3;color:#fff;padding:10px 14px;border-radius:10px;font-size:14px}.ar-cta-rail{position:fixed;z-index:9}.ar-cta-rail.portrait{left:max(var(--space),env(safe-area-inset-left));right:max(var(--space),env(safe-area-inset-right));bottom:max(var(--space),env(safe-area-inset-bottom));display:grid;place-items:center}.ar-cta-rail.landscape{top:50%;right:max(var(--space),env(safe-area-inset-right));transform:translateY(-50%)}.learn-more-btn{padding:12px 16px;border-radius:12px;border:none;background:var(--bg-elev);box-shadow:var(--elev-1)}.ar-cta-rail.landscape .learn-more-btn{writing-mode:vertical-rl;transform:rotate(180deg);padding:16px 12px;border-radius:16px}.primer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;display:grid;place-items:center;z-index:20}.primer-card{width:min(90%,420px);background:var(--bg);border-radius:24px;padding:20px;box-shadow:var(--elev-2);text-align:center}.primer-card h2{margin:0 0 8px;font-size:18px}.primer-card p{margin:0;color:var(--text-muted)}.spinner{width:28px;height:28px;border:3px solid rgba(0,0,0,.12);border-top-color:var(--primary);border-radius:999px;margin:16px auto 0;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.permission-banner{position:sticky;top:0;background:#fff7ed}.permission-banner .banner-content{max-width:var(--max-w);margin:0 auto;padding:10px var(--space)}.help-sheet{position:fixed;top:0;right:0;bottom:0;left:0;display:none;align-items:end;background:#00000052;z-index:30}.help-sheet.open{display:grid}.help-content{background:var(--bg);border-top-left-radius:24px;border-top-right-radius:24px;box-shadow:var(--elev-2);padding:12px var(--space) calc(var(--space) + env(safe-area-inset-bottom));max-height:90vh;overflow:auto}.help-header{display:flex;align-items:center;justify-content:space-between}.close-help{border:none;background:transparent;width:40px;height:40px}.help-section{padding:12px 0}.help-section h3{margin:8px 0;font-size:16px}.help-section p{margin:0;color:var(--text-muted)}.fallback-viewer{padding:24px var(--space)}.fallback-content{max-width:var(--max-w);margin:0 auto;text-align:center}.fallback-media{margin:12px 0}.fallback-image{width:100%;height:auto;border-radius:12px;box-shadow:var(--elev-1)}.footer{padding:12px var(--space);text-align:center;color:var(--text-muted)}.privacy-line{margin:0;font-size:12px}.privacy-link{border:none;background:transparent;color:var(--primary);font-weight:600;margin-left:6px}button{font-size:16px}@media (max-width: 480px){.header-title{font-size:18px}.main-content{padding:16px var(--space)}.hero-steps{grid-template-columns:1fr}.ar-container{min-height:50vh}}